netdev - Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800 Ethernet controller

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Date:	Wed, 11 Nov 2015 06:42:09 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Måns Rullgård <mans@...sr.com>
Cc:	David Miller <davem@...emloft.net>, romieu@...zoreil.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	slash.tmp@...e.fr
Subject: Re: [PATCH v5] net: ethernet: add driver for Aurora VLSI NB8800
 Ethernet controller

On Wed, 2015-11-11 at 14:15 +0000, Måns Rullgård wrote:

> FWIW, with UDP I get 650 Mbps.

Have you tried pktgen ? It should give you raw numbers, without the
stack overhead, especially when using the clone operator.

(It also has xmit_more support)

If the NIC can not get more than 650 Mbps, not worth trying implementing
tso in your driver (using net/core/tso.c helpers)



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